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| 烟感器 | |||
| 烟雾探测器 | |||
| 感烟探测器烟气探测器 | |||
| 烟探测器; 检烟器 | |||
| 烟气探测器; 烟感探测器; 烟感检测器; 烟尘探测器; 烟尘检测器; 火灾烟火探测器; 火烟监测器; 侦烟型自动火警探測器 | |||
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| 火灾烟感器 | |||
| smoke detector: 44 phrases in 10 subjects |
| Architecture | 2 |
| Aviation | 2 |
| Electronics | 1 |
| Hydroelectric power stations | 2 |
| Nautical | 1 |
| Oil / petroleum | 4 |
| Rail transport | 2 |
| Refrigeration | 1 |
| Space | 3 |
| Technology | 26 |
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